package registry

//	"errors"

type Registry interface {
	//Register(*ServiceInfo) error
	//Init(...Option) error
	//Init(*ServiceInfo, ...Option) error
	Init(*ServiceInfo) error
	Register() error
	Deregister() error
	//服务选择
	//Selector(string) (string, error)
	//GetService(string, ...GetOption) ([]*Service, error)
	//GetServices(string, string) ([]ServiceInfo, error)
	//SelectorService(string) ([]registry.ServiceInfo, error)
	SelectorService(string, string) (*ServiceInfo, error)

	GetSid() string
}
type Option func(*Options)

/*
// The registry provides an interface for service discovery
// and an abstraction over varying implementations
// {consul, etcd, zookeeper, ...}
type Registry interface {
	Init(...Option) error
	Options() Options
	Register(*Service, ...RegisterOption) error
	Deregister(*Service) error
	GetService(string) ([]*Service, error)
	ListServices() ([]*Service, error)
	Watch(...WatchOption) (Watcher, error)
	String() string
}

type Option func(*Options)

type RegisterOption func(*RegisterOptions)

type WatchOption func(*WatchOptions)

var (
	DefaultRegistry = newConsulRegistry()

	ErrNotFound = errors.New("not found")
)

func NewRegistry(opts ...Option) Registry {
	return newConsulRegistry(opts...)
}

// Register a service node. Additionally supply options such as TTL.
func Register(s *Service, opts ...RegisterOption) error {
	return DefaultRegistry.Register(s, opts...)
}

// Deregister a service node
func Deregister(s *Service) error {
	return DefaultRegistry.Deregister(s)
}

// Retrieve a service. A slice is returned since we separate Name/Version.
func GetService(name string) ([]*Service, error) {
	return DefaultRegistry.GetService(name)
}

// List the services. Only returns service names
func ListServices() ([]*Service, error) {
	return DefaultRegistry.ListServices()
}

// Watch returns a watcher which allows you to track updates to the registry.
func Watch(opts ...WatchOption) (Watcher, error) {
	return DefaultRegistry.Watch(opts...)
}

func String() string {
	return DefaultRegistry.String()
}
*/
